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my evaporator coil is leaking refrigerant. Dectron DSV-020

I have a dectron DSV-020 unit and the sight glass is bubbling when the compressor is on.
I suspect that the evaporator is leaking. (again)
If I get the service company to supply and replace it, what ballpark should I expect the quote to come in at?
the evaporator coil is a flat vertical mounted unit 27"x16"x12" deep.
I'm not looking for anything more than a rough idea. is it $$$ or $$$ or $$$ or what?
I've seen companies on the internet (XYZ) offering an evaporator coil of this size for around $$$.
is that a realistic price for a dectron evaporator coil?

has anyone out there had to do this before? I'm not looking for a commitment, just an idea of what is reasonable.

If I can't ask the question here, do you have any thoughts on how I can get some idea of a ballpark price to do this?
I could ask 4 contractors to come out and give me a quote, but that is unfair to them because 3 of them won't get the job.

perhaps that is what some people do when they ask for multiple quotes.
I never choose the cheapest just because of the price, I choose the one that gives the best presentation at a reasonable price.
that includes explanations of what might have happened, and what can be done to prevent it in the future, if that is possible.
before I start, I would like to know what kind of price I can expect. is that unreasonable?
when I have a deck built, I ask other people what they paid so I have some idea of what to expect.
why would this be any different?
I don't know anyone else that had to replace the evaporator coil, so I don't know who to ask.

I certainly understand that and was just trying to stress the importance of getting a quality job done. You don't even really know if its leaking. And by assuming it is bypasses a important step - diagnosing the problem.

I would start by paying someone to look at it. See what they recommend.

SBKold:
Dectron is a manufacturer of indoor pool HVAC systems. they are called Dry-o-tron. I came here because there are a number of posts on this site regarding these types of units. Dectron is a well respected manufacturer.

SBKold and catmanacman:
when I saw the sight glass bubbling, I had my HVAC guy come in and check for a leak. he used a sniffer. he is the one who confirmed there was a leak. I did not call in the regional distributor because I find their business ethics questionable. I use a reputable HVAC service company to do the regular maintenance. the HVAC service company has been servicing my equipment for 10 years, but every time I need a part, they are required to purchase it through the regional distributor. I have been in the computer business for over 40 years. In my line of work, I know what controllers cost and I know what sensors cost.
the regional distributor's prices for these items are not reasonable. I know nothing about evaporator coils, so I am looking for some help in determining a reasonable price for the work.

Dectrons are specialized equipment so if you need a part for one you are kind if bent over a barrel to buy from them. A sight glass won't necessarily be full of liquid in mild temperatures but if you tech tested and detected a leak then I would concur you probably have a leak. It's impossible to say what something costs bc what something would cost in rural South Carolina could be 1 dollar different than it would cost in New York City or San Francisco.

jtrammel:
thanks for your response. the fact that the difference could be thousands of dollars at least gives me the hint that I am looking 1 dollar to start with. That is what I have been trying to determine.
thanks,
Ole Jensen.

Thousands and thousands and thousands of dollars. So what if a guys leak detector goes off it could have been a false reading. At any rate a tiny leak is not a immediate emergency, why all the anxiety?

toocoolforschool:
I was told by my service guy that I need to replace the coil. it is already 10 below here and the humidity is up to 63% and running down the windows. I have been told it will take 4-6 weeks to get a replacement coil.

a work buddy suggested I get them to pump in some R-GLO (?) to identify where the leak is and try to repair it for the winter and deal with the replacement in the summer.